Rogue Immune Cells Can Infiltrate Old Brains

Rogue Immune Cells Can Infiltrate Old Brains
AP Photo/Agapito Sanchez, Baylor College of Medicine

Immune cells can storm into the brains of older mice, where these normally helpful cells seem to be up to no good. The result, described July 3 in Nature, raises the possibility that immune cells may have a role in aging.

Anne Brunet of Stanford University School of Medicine and colleagues studied gene activity to identify all sorts of cells in a particular spot in mice brains — the subventricular zone, where new nerve cells are born.

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